/**
 @Name：layui.table 表格操作
 @Author：贤心
 @License：MIT

 //改动
 分页请求根据业务逻辑调整 并多加参数 start
 增加合计栏sumCols
 */

layui.define(['laytpl', 'laypage', 'layer', 'form'], function(exports){
	"use strict";

	var $ = layui.$
		,laytpl = layui.laytpl
		,laypage = layui.laypage
		,layer = layui.layer
		,form = layui.form
		,hint = layui.hint()
		,device = layui.device()

		//外部接口
		,table = {
			config: {
				checkName: 'LAY_CHECKED' //是否选中状态的字段名
				,indexName: 'LAY_TABLE_INDEX' //下标索引名
			} //全局配置项
			,cache: {} //数据缓存
			,index: layui.table ? (layui.table.index + 10000) : 0

			//设置全局项
			,set: function(options){
				var that = this;
				that.config = $.extend({}, that.config, options);
				return that;
			}

			//事件监听
			,on: function(events, callback){
				return layui.onevent.call(this, MOD_NAME, events, callback);
			}
		}

		//操作当前实例
		,thisTable = function(){
			var that = this
				,options = that.config
				,id = options.id;

			id && (thisTable.config[id] = options);

			return {
				reload: function(options){
					that.reload.call(that, options);
				}
				,config: options
			}
		}

		//字符常量
		,MOD_NAME = 'table', ELEM = '.layui-table', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled', NONE = 'layui-none'

		,ELEM_VIEW = 'layui-table-view', ELEM_HEADER = '.layui-table-header', ELEM_BODY = '.layui-table-body', ELEM_MAIN = '.layui-table-main', ELEM_FIXED = '.layui-table-fixed', ELEM_FIXL = '.layui-table-fixed-l', ELEM_FIXR = '.layui-table-fixed-r', ELEM_TOOL = '.layui-table-tool', ELEM_PAGE = '.layui-table-page', ELEM_SORT = '.layui-table-sort', ELEM_EDIT = 'layui-table-edit', ELEM_HOVER = 'layui-table-hover'

		//thead区域模板
		,TPL_HEADER = function(options){
			var rowCols = '{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}';

			options = options || {};
			return ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
				,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
				,'<thead>'
				,'{{# layui.each(d.data.cols, function(i1, item1){ }}'
				,'<tr>'
				,'{{# layui.each(item1, function(i2, item2){ }}'
				,'{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}'
				,'{{# if(item2.fixed === "right"){ right = true; } }}'
				,function(){
					if(options.fixed && options.fixed !== 'right'){
						return '{{# if(item2.fixed && item2.fixed !== "right"){ }}';
					}
					if(options.fixed === 'right'){
						return '{{# if(item2.fixed === "right"){ }}';
					}
					return '';
				}()
				,'<th data-field="{{ item2.field||i2 }}" {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} '+ rowCols +' {{# if(item2.unresize){ }}data-unresize="true"{{# } }}>'
				,'<div class="layui-table-cell laytable-cell-'
				,'{{# if(item2.colspan > 1){ }}'
				,'group'
				,'{{# } else { }}'
				,'{{d.index}}-{{item2.field || i2}}'
				,'{{# if(item2.type !== "normal"){ }}'
				,' laytable-cell-{{ item2.type }}'
				,'{{# } }}'
				,'{{# } }}'
				,'" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>'
				,'{{# if(item2.type === "checkbox"){ }}' //复选框
				,'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>'
				,'{{# } else { }}'
				,'<span>{{item2.title||""}}</span>'
				,'{{# if(!(item2.colspan > 1) && item2.sort){ }}'
				,'<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc"></i><i class="layui-edge layui-table-sort-desc"></i></span>'
				,'{{# } }}'
				,'{{# } }}'
				,'</div>'
				,'</th>'
				,(options.fixed ? '{{# }; }}' : '')
				,'{{# }); }}'
				,'</tr>'
				,'{{# }); }}'
				,'</thead>'
				,'</table>'].join('');
		}

		//tbody区域模板
		,TPL_BODY = ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
			,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
			,'<tbody></tbody>'
			,'</table>'].join('')

		//主模板
		,TPL_MAIN = ['<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">'

			,'{{# if(d.data.toolbar){ }}'
			,'<div class="layui-table-tool"></div>'
			,'{{# } }}'

			,'<div class="layui-table-box">'
			,'{{# var left, right; }}'
			,'<div class="layui-table-header">'
			,TPL_HEADER()
			,'</div>'
			,'<div class="layui-table-body layui-table-main">'
			,TPL_BODY
			,'</div>'

			,'{{# if(left){ }}'
			,'<div class="layui-table-fixed layui-table-fixed-l">'
			,'<div class="layui-table-header">'
			,TPL_HEADER({fixed: true})
			,'</div>'
			,'<div class="layui-table-body">'
			,TPL_BODY
			,'</div>'
			,'</div>'
			,'{{# }; }}'

			,'{{# if(right){ }}'
			,'<div class="layui-table-fixed layui-table-fixed-r">'
			,'<div class="layui-table-header">'
			,TPL_HEADER({fixed: 'right'})
			,'<div class="layui-table-mend"></div>'
			,'</div>'
			,'<div class="layui-table-body">'
			,TPL_BODY
			,'</div>'
			,'</div>'
			,'{{# }; }}'
			,'</div>'

			,'{{# if(d.data.page){ }}'
			,'<div class="layui-table-page">'
			,'<div id="layui-table-page{{d.index}}"></div>'
			,'</div>'
			,'{{# } }}'

			,'<style>'
			,'{{# layui.each(d.data.cols, function(i1, item1){'
			,'layui.each(item1, function(i2, item2){ }}'
			,'.laytable-cell-{{d.index}}-{{item2.field||i2}}{ '
			,'{{# if(item2.width){ }}'
			,'width: {{item2.width}}px;'
			,'{{# } }}'
			,' }'
			,'{{# });'
			,'}); }}'
			,'</style>'
			,'</div>'].join('')

		,_WIN = $(window)
		,_DOC = $(document)

		//构造器
		,Class = function(options){
			var that = this;
			that.index = ++table.index;
			that.config = $.extend({}, that.config, table.config, options);
			that.render();
		};

	//默认配置
	Class.prototype.config = {
		limit: 10 //每页显示的数量
		,loading: true //请求数据时，是否显示loading
		,cellMinWidth: 60 //所有单元格默认最小宽度
		,text: {
			none: '无数据'
		}
	};

	//表格渲染
	Class.prototype.render = function(){
		var that = this
			,options = that.config;

		options.elem = $(options.elem);
		options.where = options.where || {};
		options.id = options.id || options.elem.attr('id');

		//请求参数的自定义格式
		options.request = $.extend({
			pageName: 'page'
			,limitName: 'limit'
			,start: 'start'
		}, options.request)

		//响应数据的自定义格式
		options.response = $.extend({
			statusName: 'code'
			,statusCode: 0
			,msgName: 'msg'
			,dataName: 'data'
			,countName: 'count'
		}, options.response);

		//如果 page 传入 laypage 对象
		if(typeof options.page === 'object'){
			options.limit = options.page.limit || options.limit;
			options.limits = options.page.limits || options.limits;
			that.page = options.page.curr = options.page.curr || 1;
			delete options.page.elem;
			delete options.page.jump;
		}

		if(!options.elem[0]) return that;

		that.setArea(); //动态分配列宽高

		//开始插入替代元素
		var othis = options.elem
			,hasRender = othis.next('.' + ELEM_VIEW)

			//主容器
			,reElem = that.elem = $(laytpl(TPL_MAIN).render({
				VIEW_CLASS: ELEM_VIEW
				,data: options
				,index: that.index //索引
			}));

		options.index = that.index;

		//生成替代元素
		hasRender[0] && hasRender.remove(); //如果已经渲染，则Rerender
		othis.after(reElem);

		//各级容器
		that.layHeader = reElem.find(ELEM_HEADER);
		that.layMain = reElem.find(ELEM_MAIN);
		that.layBody = reElem.find(ELEM_BODY);
		that.layFixed = reElem.find(ELEM_FIXED);
		that.layFixLeft = reElem.find(ELEM_FIXL);
		that.layFixRight = reElem.find(ELEM_FIXR);
		that.layTool = reElem.find(ELEM_TOOL);
		that.layPage = reElem.find(ELEM_PAGE);

		that.layTool.html(
			laytpl($(options.toolbar).html()||'').render(options)
		);

		if(options.height) that.fullSize(); //设置body区域高度

		//如果多级表头，则填补表头高度
		if(options.cols.length > 1){
			var th = that.layFixed.find(ELEM_HEADER).find('th');
			th.height(that.layHeader.height() - 1 - parseFloat(th.css('padding-top')) - parseFloat(th.css('padding-bottom')));
		}

		//请求数据
		that.pullData(that.page);
		that.events();
	};

	//根据列类型，定制化参数
	Class.prototype.initOpts = function(item){
		var that = this,
			options = that.config
			,initWidth = {
				checkbox: 48
				,space: 15
				,numbers: 40
			};

		//让 type 参数兼容旧版本
		if(item.checkbox) item.type = "checkbox";
		if(item.space) item.type = "space";
		if(!item.type) item.type = "normal";

		if(item.type !== "normal"){
			item.unresize = true;
			item.width = item.width || initWidth[item.type];
		}
	};

	//动态分配列宽高
	Class.prototype.setArea = function(){
		var that = this,
			options = that.config
			,colNums = 0 //列个数
			,autoColNums = 0 //自动列宽的列个数
			,autoWidth = 0 //自动列分配的宽度
			,countWidth = 0 //所有列总宽度和
			,cntrWidth = options.width || function(){ //获取容器宽度
				//如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
				var getWidth = function(parent){
					var width, isNone;
					parent = parent || options.elem.parent()
					width = parent.width();
					try {
						isNone = parent.css('display') === 'none';
					} catch(e){}
					if(parent[0] && (!width || isNone)) return getWidth(parent.parent());
					return width;
				};
				return getWidth();
			}();

		//统计列个数
		that.eachCols(function(){
			colNums++;
		});

		//减去边框差
		cntrWidth = cntrWidth - function(){
			return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1;
		}();

		//遍历所有列
		layui.each(options.cols, function(i1, item1){
			layui.each(item1, function(i2, item2){
				var width;

				if(!item2){
					item1.splice(i2, 1);
					return;
				}

				that.initOpts(item2);
				width = item2.width || 0;

				if(item2.colspan > 1) return;

				if(/\d+%$/.test(width)){
					item2.width = width = Math.floor((parseFloat(width) / 100) * cntrWidth);
				} else if(!width){ //列宽未填写
					item2.width = width = 0;
					autoColNums++;
				}

				countWidth = countWidth + width;
			});
		});

		that.autoColNums = autoColNums; //记录自动列数

		//如果未填充满，则将剩余宽度平分。否则，给未设定宽度的列赋值一个默认宽
		(cntrWidth > countWidth && autoColNums) && (
			autoWidth = (cntrWidth - countWidth) / autoColNums
		);

		layui.each(options.cols, function(i1, item1){
			layui.each(item1, function(i2, item2){
				var minWidth = item2.minWidth || options.cellMinWidth;
				if(item2.colspan > 1) return;
				if(item2.width === 0){
					item2.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth); //不能低于设定的最小宽度
				}
			});
		});

		//高度铺满：full-差距值
		if(options.height && /^full-\d+$/.test(options.height)){
			that.fullHeightGap = options.height.split('-')[1];
			options.height = _WIN.height() - that.fullHeightGap;
		}
	};

	//表格重载
	Class.prototype.reload = function(options){
		var that = this;
		if(that.config.data && that.config.data.constructor === Array) delete that.config.data;
		that.config = $.extend({}, that.config, options);
		that.render();
	};

	//页码
	Class.prototype.page = 1;

	//获得数据
	Class.prototype.pullData = function(curr, loadIndex){
		var that = this
			,options = that.config
			,request = options.request
			,response = options.response
			,sort = function(){
			if(typeof options.initSort === 'object'){
				that.sort(options.initSort.field, options.initSort.type);
			}
		};

		that.startTime = new Date().getTime(); //渲染开始时间

		if(options.url){ //Ajax请求
			var params = {};
			params[request.pageName] = curr -1;
			params[request.limitName] = options.limit;
			params[request.start] = options.limit*(curr-1);

			//参数
			var data = $.extend(params, options.where);
			if(options.contentType && options.contentType.indexOf("application/json") == 0){ //提交 json 格式
				data = JSON.stringify(data);
			}

			$.ajax({
				type: options.method || 'post'
				,url: options.url
				//,contentType: options.contentType
				,contentType: 'application/x-www-form-urlencoded; charset=UTF-8'
				,data: data
				,dataType: 'json'
				,headers: options.headers || {}
				,success: function(res){
					if(res[response.statusName] != response.statusCode){
						that.renderForm();
						that.layMain.html('<div class="'+ NONE +'">'+ (res[response.msgName] || '返回的数据状态异常') +'</div>');
					} else {
						//操作数据，增加合计
						// console.log(res)
						if(options.sums){
							if(res.pageSummary){
								res.pageSummary.summary = "本页合计";
								res[options.response.dataName].push(res.pageSummary)
							}
							if(res.summary){
								res.summary.summary = "查询合计";
								res[options.response.dataName].push(res.summary)
							}
						}
						that.renderData(res, curr, res[response.countName]), sort();
						options.time = (new Date().getTime() - that.startTime) + ' ms'; //耗时（接口请求+视图渲染）
					}
					loadIndex && layer.close(loadIndex);
					typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
				}
				,error: function(e, m){
					that.layMain.html('<div class="'+ NONE +'">数据接口请求异常</div>');
					that.renderForm();
					loadIndex && layer.close(loadIndex);
				}
			});
		} else if(options.data && options.data.constructor === Array){ //已知数据
			var res = {}
				,startLimit = curr*options.limit - options.limit

			res[response.dataName] = options.data.concat().splice(startLimit, options.limit);
			res[response.countName] = options.data.length;

			that.renderData(res, curr, options.data.length), sort();
			typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
		}
	};

	//遍历表头
	Class.prototype.eachCols = function(callback){
		var cols = $.extend(true, [], this.config.cols)
			,arrs = [], index = 0;

		//重新整理表头结构
		layui.each(cols, function(i1, item1){
			layui.each(item1, function(i2, item2){
				//如果是组合列，则捕获对应的子列
				if(item2.colspan > 1){
					var childIndex = 0;
					index++
					item2.CHILD_COLS = [];
					layui.each(cols[i1 + 1], function(i22, item22){
						if(item22.PARENT_COL || childIndex == item2.colspan) return;
						item22.PARENT_COL = index;
						item2.CHILD_COLS.push(item22);
						childIndex = childIndex + (item22.colspan > 1 ? item22.colspan : 1);
					});
				}
				if(item2.PARENT_COL) return; //如果是子列，则不进行追加，因为已经存储在父列中
				arrs.push(item2)
			});
		});

		//重新遍历列，如果有子列，则进入递归
		var eachArrs = function(obj){
			layui.each(obj || arrs, function(i, item){
				if(item.CHILD_COLS) return eachArrs(item.CHILD_COLS);
				callback(i, item);
			});
		};

		eachArrs();
	};

	//数据渲染
	Class.prototype.renderData = function(res, curr, count, sort){
		var that = this
			,options = that.config
			,data = res[options.response.dataName] || []
			,trs = []
			,trs_fixed = []
			,trs_fixed_r = []

			//渲染视图
			,render = function(){ //后续性能提升的重点
				if(!sort && that.sortKey){
					return that.sort(that.sortKey.field, that.sortKey.sort, true);
				}
				layui.each(data, function(i1, item1){
					var tds = [], tds_fixed = [], tds_fixed_r = []
						,numbers = i1 + options.limit*(curr - 1) + 1; //序号

					if(item1.length === 0) return;
					if(!sort){
						item1[table.config.indexName] = i1;
					}

					that.eachCols(function(i3, item3){
						var field = item3.field || i3, content = item1[field]
							,cell = that.getColElem(that.layHeader, field);

						if(content === undefined || content === null) content = '';
						if(item3.colspan > 1) return;

						//td内容
						var td = ['<td data-field="'+ field +'" '+ function(){
							var attr = [];
							if(item3.edit) attr.push('data-edit="'+ item3.edit +'"'); //是否允许单元格编辑
							if(item3.align) attr.push('align="'+ item3.align +'"'); //对齐方式
							if(item3.templet) attr.push('data-content="'+ content +'"'); //自定义模板
							if(item3.toolbar) attr.push('data-off="true"'); //自定义模板
							if(item3.event) attr.push('lay-event="'+ item3.event +'"'); //自定义事件
							if(item3.style) attr.push('style="'+ item3.style +'"'); //自定义样式
							if(item3.minWidth) attr.push('data-minwidth="'+ item3.minWidth +'"'); //单元格最小宽度
							return attr.join(' ');
						}() +'>'
							,'<div class="layui-table-cell laytable-cell-'+ function(){ //返回对应的CSS类标识
								var str = (options.index + '-' + field);
								return item3.type === 'normal' ? str
									: (str + ' laytable-cell-' + item3.type);
							}() +'">' + function(){
								var tplData = $.extend(true, {
									LAY_INDEX: numbers
								}, item1);

								//渲染复选框列视图
								if(item3.type === 'checkbox'){
									return '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" '+ function(){
										var checkName = table.config.checkName;
										//如果是全选
										if(item3[checkName]){
											item1[checkName] = item3[checkName];
											return item3[checkName] ? 'checked' : '';
										}
										return tplData[checkName] ? 'checked' : '';
									}() +'>';
								} else if(item3.type === 'numbers'){ //渲染序号
									return numbers;
								}

								//解析工具列模板
								if(item3.toolbar){
									return laytpl($(item3.toolbar).html()||'').render(tplData);
								}
								return item3.templet ? function(){
									return typeof item3.templet === 'function'
										? item3.templet(tplData)
										: laytpl($(item3.templet).html() || String(content)).render(tplData)
								}() : content;
							}()
							,'</div></td>'].join('');

						tds.push(td);
						if(item3.fixed && item3.fixed !== 'right') tds_fixed.push(td);
						if(item3.fixed === 'right') tds_fixed_r.push(td);
					});

					trs.push('<tr data-index="'+ i1 +'">'+ tds.join('') + '</tr>');
					trs_fixed.push('<tr data-index="'+ i1 +'">'+ tds_fixed.join('') + '</tr>');
					trs_fixed_r.push('<tr data-index="'+ i1 +'">'+ tds_fixed_r.join('') + '</tr>');
				});

				//if(data.length === 0) return;

				that.layBody.scrollTop(0);
				that.layMain.find('.'+ NONE).remove();
				that.layMain.find('tbody').html(trs.join(''));
				that.layFixLeft.find('tbody').html(trs_fixed.join(''));
				that.layFixRight.find('tbody').html(trs_fixed_r.join(''));

				that.renderForm();
				that.syncCheckAll();
				that.haveInit ? that.scrollPatch() : setTimeout(function(){
					that.scrollPatch();
				}, 50);
				that.haveInit = true;
				layer.close(that.tipsIndex);
			};

		that.key = options.id || options.index;
		table.cache[that.key] = data; //记录数据

		//显示隐藏分页栏
		that.layPage[data.length === 0 && curr == 1 ? 'addClass' : 'removeClass'](HIDE);

		//排序
		if(sort){
			return render();
		}

		if(data.length === 0){
			that.renderForm();
			that.layFixed.remove();
			that.layMain.find('tbody').html('');
			that.layMain.find('.'+ NONE).remove();
			return that.layMain.append('<div class="'+ NONE +'">'+ options.text.none +'</div>');
		}

		render();

		//同步分页状态
		if(options.page){
			options.page = $.extend({
				elem: 'layui-table-page' + options.index
				,count: count
				,limit: options.limit
				,limits: options.limits || [10,20,30,40,50,60,70,80,90]
				,groups: 3
				,layout: ['prev', 'page', 'next', 'skip', 'count', 'limit']
				,prev: '<i class="layui-icon">&#xe603;</i>'
				,next: '<i class="layui-icon">&#xe602;</i>'
				,jump: function(obj, first){
					if(!first){
						//分页本身并非需要做以下更新，下面参数的同步，主要是因为其它处理统一用到了它们
						//而并非用的是 options.page 中的参数（以确保分页未开启的情况仍能正常使用）
						that.page = obj.curr; //更新页码
						options.limit = obj.limit; //更新每页条数

						that.pullData(obj.curr, that.loading());
					}
				}
			}, options.page);
			options.page.count = count; //更新总条数
			laypage.render(options.page);
		}
	};

	//找到对应的列元素
	Class.prototype.getColElem = function(parent, field){
		var that = this
			,options = that.config;
		return parent.eq(0).find('.laytable-cell-'+ (options.index + '-' + field) + ':eq(0)');
	};

	//渲染表单
	Class.prototype.renderForm = function(type){
		form.render(type, 'LAY-table-'+ this.index);
	}

	//数据排序
	Class.prototype.sort = function(th, type, pull, formEvent){
		var that = this
			,field
			,res = {}
			,options = that.config
			,filter = options.elem.attr('lay-filter')
			,data = table.cache[that.key], thisData;

		//字段匹配
		if(typeof th === 'string'){
			that.layHeader.find('th').each(function(i, item){
				var othis = $(this)
					,_field = othis.data('field');
				if(_field === th){
					th = othis;
					field = _field;
					return false;
				}
			});
		}

		try {
			var field = field || th.data('field');

			//如果欲执行的排序已在状态中，则不执行渲染
			if(that.sortKey && !pull){
				if(field === that.sortKey.field && type === that.sortKey.sort){
					return;
				}
			}

			var elemSort = that.layHeader.find('th .laytable-cell-'+ options.index +'-'+ field).find(ELEM_SORT);
			that.layHeader.find('th').find(ELEM_SORT).removeAttr('lay-sort'); //清除其它标题排序状态
			elemSort.attr('lay-sort', type || null);
			that.layFixed.find('th')
		} catch(e){
			return hint.error('Table modules: Did not match to field');
		}

		//记录排序索引和类型
		that.sortKey = {
			field: field
			,sort: type
		};

		if(type === 'asc'){ //升序
			thisData = layui.sort(data, field);
		} else if(type === 'desc'){ //降序
			thisData = layui.sort(data, field, true);
		} else { //清除排序
			thisData = layui.sort(data, table.config.indexName);
			delete that.sortKey;
		}

		res[options.response.dataName] = thisData;
		that.renderData(res, that.page, that.count, true);

		if(formEvent){
			layui.event.call(th, MOD_NAME, 'sort('+ filter +')', {
				field: field
				,type: type
			});
		}
	};

	//请求loading
	Class.prototype.loading = function(){
		var that = this
			,options = that.config;
		if(options.loading && options.url){
			return layer.msg('数据请求中', {
				icon: 16
				,offset: [
					that.elem.offset().top + that.elem.height()/2 - 35 - _WIN.scrollTop() + 'px'
					,that.elem.offset().left + that.elem.width()/2 - 90 - _WIN.scrollLeft() + 'px'
				]
				,time: -1
				,anim: -1
				,fixed: false
			});
		}
	};

	//同步选中值状态
	Class.prototype.setCheckData = function(index, checked){
		var that = this
			,options = that.config
			,thisData = table.cache[that.key];
		if(!thisData[index]) return;
		if(thisData[index].constructor === Array) return;
		thisData[index][options.checkName] = checked;
	};

	//同步全选按钮状态
	Class.prototype.syncCheckAll = function(){
		var that = this
			,options = that.config
			,checkAllElem = that.layHeader.find('input[name="layTableCheckbox"]')
			,syncColsCheck = function(checked){
			that.eachCols(function(i, item){
				if(item.type === 'checkbox'){
					item[options.checkName] = checked;
				}
			});
			return checked;
		};

		if(!checkAllElem[0]) return;

		if(table.checkStatus(that.key).isAll){
			if(!checkAllElem[0].checked){
				checkAllElem.prop('checked', true);
				that.renderForm('checkbox');
			}
			syncColsCheck(true);
		} else {
			if(checkAllElem[0].checked){
				checkAllElem.prop('checked', false);
				that.renderForm('checkbox');
			}
			syncColsCheck(false);
		}
	};

	//获取cssRule
	Class.prototype.getCssRule = function(field, callback){
		var that = this
			,style = that.elem.find('style')[0]
			,sheet = style.sheet || style.styleSheet || {}
			,rules = sheet.cssRules || sheet.rules;
		layui.each(rules, function(i, item){
			if(item.selectorText === ('.laytable-cell-'+ that.index +'-'+ field)){
				return callback(item), true;
			}
		});
	};

	//铺满表格主体高度
	Class.prototype.fullSize = function(){
		var that = this
			,options = that.config
			,height = options.height, bodyHeight;

		if(that.fullHeightGap){
			height = _WIN.height() - that.fullHeightGap;
			if(height < 135) height = 135;
			that.elem.css('height', height);
		}

		//tbody区域高度
		bodyHeight = parseFloat(height) - parseFloat(that.layHeader.height()) - 1;
		if(options.toolbar){
			bodyHeight = bodyHeight - that.layTool.outerHeight();
		}
		if(options.page){
			bodyHeight = bodyHeight - that.layPage.outerHeight() - 1;
		}
		that.layMain.css('height', bodyHeight);
	};

	//获取滚动条宽度
	Class.prototype.getScrollWidth = function(elem){
		var width = 0;
		if(elem){
			width = elem.offsetWidth - elem.clientWidth;
		} else {
			elem = document.createElement('div');
			elem.style.width = '100px';
			elem.style.height = '100px';
			elem.style.overflowY = 'scroll';

			document.body.appendChild(elem);
			width = elem.offsetWidth - elem.clientWidth;
			document.body.removeChild(elem);
		}
		return width;
	};

	//滚动条补丁
	Class.prototype.scrollPatch = function(){
		var that = this
			,layMainTable = that.layMain.children('table')
			,scollWidth = that.layMain.width() - that.layMain.prop('clientWidth') //纵向滚动条宽度
			,scollHeight = that.layMain.height() - that.layMain.prop('clientHeight') //横向滚动条高度
			,getScrollWidth = that.getScrollWidth(that.layMain[0]) //获取主容器滚动条宽度，如果有的话
			,outWidth = layMainTable.outerWidth() - that.layMain.width(); //表格内容器的超出宽度

		//如果存在自动列宽，则要保证绝对填充满，并且不能出现横向滚动条
		if(that.autoColNums && outWidth < 5 && !that.scrollPatchWStatus){
			var th = that.layHeader.eq(0).find('thead th:last-child')
				,field = th.data('field');
			that.getCssRule(field, function(item){
				var width = item.style.width || th.outerWidth();
				item.style.width = (parseFloat(width) - getScrollWidth - outWidth) + 'px';

				//二次校验，如果仍然出现横向滚动条
				if(that.layMain.height() - that.layMain.prop('clientHeight') > 0){
					item.style.width = parseFloat(item.style.width) - 1 + 'px';
				}

				that.scrollPatchWStatus = true;
			});
		}

		if(scollWidth && scollHeight){
			if(!that.elem.find('.layui-table-patch')[0]){
				var patchElem = $('<th class="layui-table-patch"><div class="layui-table-cell"></div></th>'); //补丁元素
				patchElem.find('div').css({
					width: scollWidth
				});
				that.layHeader.eq(0).find('thead tr').append(patchElem)
			}
		} else {
			that.layHeader.eq(0).find('.layui-table-patch').remove();
		}

		//固定列区域高度
		var mainHeight = that.layMain.height()
			,fixHeight = mainHeight - scollHeight;
		that.layFixed.find(ELEM_BODY).css('height', layMainTable.height() > fixHeight ? fixHeight : 'auto');

		//表格宽度小于容器宽度时，隐藏固定列
		that.layFixRight[outWidth > 0 ? 'removeClass' : 'addClass'](HIDE);

		//操作栏
		that.layFixRight.css('right', scollWidth - 1);
	};

	//事件处理
	Class.prototype.events = function(){
		var that = this
			,options = that.config
			,_BODY = $('body')
			,dict = {}
			,th = that.layHeader.find('th')
			,resizing
			,ELEM_CELL = '.layui-table-cell'
			,filter = options.elem.attr('lay-filter');

		//拖拽调整宽度
		th.on('mousemove', function(e){
			var othis = $(this)
				,oLeft = othis.offset().left
				,pLeft = e.clientX - oLeft;
			if(othis.attr('colspan') > 1 || othis.data('unresize') || dict.resizeStart){
				return;
			}
			dict.allowResize = othis.width() - pLeft <= 10; //是否处于拖拽允许区域
			_BODY.css('cursor', (dict.allowResize ? 'col-resize' : ''));
		}).on('mouseleave', function(){
			var othis = $(this);
			if(dict.resizeStart) return;
			_BODY.css('cursor', '');
		}).on('mousedown', function(e){
			var othis = $(this);
			if(dict.allowResize){
				var field = othis.data('field');
				e.preventDefault();
				dict.resizeStart = true; //开始拖拽
				dict.offset = [e.clientX, e.clientY]; //记录初始坐标

				that.getCssRule(field, function(item){
					var width = item.style.width || othis.outerWidth();
					dict.rule = item;
					dict.ruleWidth = parseFloat(width);
					dict.minWidth = othis.data('minwidth') || options.cellMinWidth;
				});
			}
		});
		//拖拽中
		_DOC.on('mousemove', function(e){
			if(dict.resizeStart){
				e.preventDefault();
				if(dict.rule){
					var setWidth = dict.ruleWidth + e.clientX - dict.offset[0];
					if(setWidth < dict.minWidth) setWidth = dict.minWidth;
					dict.rule.style.width = setWidth + 'px';
					layer.close(that.tipsIndex);
				}
				resizing = 1
			}
		}).on('mouseup', function(e){
			if(dict.resizeStart){
				dict = {};
				_BODY.css('cursor', '');
				that.scrollPatch();
			}
			if(resizing === 2){
				resizing = null;
			}
		});

		//排序
		th.on('click', function(){
			var othis = $(this)
				,elemSort = othis.find(ELEM_SORT)
				,nowType = elemSort.attr('lay-sort')
				,type;

			if(!elemSort[0] || resizing === 1) return resizing = 2;

			if(nowType === 'asc'){
				type = 'desc';
			} else if(nowType === 'desc'){
				type = null;
			} else {
				type = 'asc';
			}
			that.sort(othis, type, null, true);
		}).find(ELEM_SORT+' .layui-edge ').on('click', function(e){
			var othis = $(this)
				,index = othis.index()
				,field = othis.parents('th').eq(0).data('field')
			layui.stope(e);
			if(index === 0){
				that.sort(field, 'asc', null, true);
			} else {
				that.sort(field, 'desc', null, true);
			}
		});

		//复选框选择
		that.elem.on('click', 'input[name="layTableCheckbox"]+', function(){
			var checkbox = $(this).prev()
				,childs = that.layBody.find('input[name="layTableCheckbox"]')
				,index = checkbox.parents('tr').eq(0).data('index')
				,checked = checkbox[0].checked
				,isAll = checkbox.attr('lay-filter') === 'layTableAllChoose';

			//全选
			if(isAll){
				childs.each(function(i, item){
					item.checked = checked;
					that.setCheckData(i, checked);
				});
				that.syncCheckAll();
				that.renderForm('checkbox');
			} else {
				that.setCheckData(index, checked);
				that.syncCheckAll();
			}
			layui.event.call(this, MOD_NAME, 'checkbox('+ filter +')', {
				checked: checked
				,data: table.cache[that.key] ? (table.cache[that.key][index] || {}) : {}
				,type: isAll ? 'all' : 'one'
			});
		});

		//行事件
		that.layBody.on('mouseenter', 'tr', function(){
			var othis = $(this)
				,index = othis.index();
			that.layBody.find('tr:eq('+ index +')').addClass(ELEM_HOVER)
		}).on('mouseleave', 'tr', function(){
			var othis = $(this)
				,index = othis.index();
			that.layBody.find('tr:eq('+ index +')').removeClass(ELEM_HOVER)
		});

		//单元格编辑
		that.layBody.on('change', '.'+ELEM_EDIT, function(){
			var othis = $(this)
				,value = this.value
				,field = othis.parent().data('field')
				,index = othis.parents('tr').eq(0).data('index')
				,data = table.cache[that.key][index];

			data[field] = value; //更新缓存中的值

			layui.event.call(this, MOD_NAME, 'edit('+ filter +')', {
				value: value
				,data: data
				,field: field
			});
		}).on('blur', '.'+ELEM_EDIT, function(){
			var templet
				,othis = $(this)
				,field = othis.parent().data('field')
				,index = othis.parents('tr').eq(0).data('index')
				,data = table.cache[that.key][index];
			that.eachCols(function(i, item){
				if(item.field == field && item.templet){
					templet = item.templet;
				}
			});
			othis.siblings(ELEM_CELL).html(
				templet ? laytpl($(templet).html() || this.value).render(data) : this.value
			);
			othis.parent().data('content', this.value);
			othis.remove();
		});

		//单元格事件
		that.layBody.on('click', 'td', function(){
			var othis = $(this)
				,field = othis.data('field')
				,editType = othis.data('edit')
				,elemCell = othis.children(ELEM_CELL);

			layer.close(that.tipsIndex);
			if(othis.data('off')) return;

			//显示编辑表单
			if(editType){
				if(editType === 'select') { //选择框
					//var select = $('<select class="'+ ELEM_EDIT +'" lay-ignore><option></option></select>');
					//othis.find('.'+ELEM_EDIT)[0] || othis.append(select);
				} else { //输入框
					var input = $('<input class="layui-input '+ ELEM_EDIT +'">');
					input[0].value = othis.data('content') || elemCell.text();
					othis.find('.'+ELEM_EDIT)[0] || othis.append(input);
					input.focus();
				}
				return;
			}

			//如果出现省略，则可查看更多
			if(elemCell.find('.layui-form-switch,.layui-form-checkbox')[0]) return; //限制不出现更多（暂时）

			if(Math.round(elemCell.prop('scrollWidth')) > Math.round(elemCell.outerWidth())){
				that.tipsIndex = layer.tips([
					'<div class="layui-table-tips-main" style="margin-top: -'+ (elemCell.height() + 16) +'px;'+ function(){
						if(options.size === 'sm'){
							return 'padding: 4px 15px; font-size: 12px;';
						}
						if(options.size === 'lg'){
							return 'padding: 14px 15px;';
						}
						return '';
					}() +'">'
					,elemCell.html()
					,'</div>'
					,'<i class="layui-icon layui-table-tips-c">&#x1006;</i>'
				].join(''), elemCell[0], {
					tips: [3, '']
					,time: -1
					,anim: -1
					,maxWidth: (device.ios || device.android) ? 300 : 600
					,isOutAnim: false
					,skin: 'layui-table-tips'
					,success: function(layero, index){
						layero.find('.layui-table-tips-c').on('click', function(){
							layer.close(index);
						});
					}
				});
			}
		});

		//工具条操作事件
		that.layBody.on('click', '*[lay-event]', function(){
			var othis = $(this)
				,index = othis.parents('tr').eq(0).data('index')
				,tr = that.layBody.find('tr[data-index="'+ index +'"]')
				,ELEM_CLICK = 'layui-table-click'
				,data = table.cache[that.key][index];

			layui.event.call(this, MOD_NAME, 'tool('+ filter +')', {
				data: table.clearCacheKey(data)
				,event: othis.attr('lay-event')
				,tr: tr
				,del: function(){
					table.cache[that.key][index] = [];
					tr.remove();
					that.scrollPatch();
				}
				,update: function(fields){
					fields = fields || {};
					layui.each(fields, function(key, value){
						if(key in data){
							var templet, td = tr.children('td[data-field="'+ key +'"]');
							data[key] = value;
							that.eachCols(function(i, item2){
								if(item2.field == key && item2.templet){
									templet = item2.templet;
								}
							});
							td.children(ELEM_CELL).html(
								templet ? laytpl($(templet).html() || value).render(data) : value
							);
							td.data('content', value);
						}
					});
				}
			});
			tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK);
		});

		//同步滚动条
		that.layMain.on('scroll', function(){
			var othis = $(this)
				,scrollLeft = othis.scrollLeft()
				,scrollTop = othis.scrollTop();

			that.layHeader.scrollLeft(scrollLeft);
			that.layFixed.find(ELEM_BODY).scrollTop(scrollTop);

			layer.close(that.tipsIndex);
		});

		_WIN.on('resize', function(){ //自适应
			that.fullSize();
			that.scrollPatch();
		});
	};

	//初始化
	table.init = function(filter, settings){
		settings = settings || {};
		var that = this
			,elemTable = filter ? $('table[lay-filter="'+ filter +'"]') : $(ELEM + '[lay-data]')
			,errorTips = 'Table element property lay-data configuration item has a syntax error: ';

		//遍历数据表格
		elemTable.each(function(){
			var othis = $(this), tableData = othis.attr('lay-data');

			try{
				tableData = new Function('return '+ tableData)();
			} catch(e){
				hint.error(errorTips + tableData)
			}

			var cols = [], options = $.extend({
				elem: this
				,cols: []
				,data: []
				,skin: othis.attr('lay-skin') //风格
				,size: othis.attr('lay-size') //尺寸
				,even: typeof othis.attr('lay-even') === 'string' //偶数行背景
			}, table.config, settings, tableData);

			filter && othis.hide();

			//获取表头数据
			othis.find('thead>tr').each(function(i){
				options.cols[i] = [];
				$(this).children().each(function(ii){
					var th = $(this), itemData = th.attr('lay-data');

					try{
						itemData = new Function('return '+ itemData)();
					} catch(e){
						return hint.error(errorTips + itemData)
					}

					var row = $.extend({
						title: th.text()
						,colspan: th.attr('colspan') || 0 //列单元格
						,rowspan: th.attr('rowspan') || 0 //行单元格
					}, itemData);

					if(row.colspan < 2) cols.push(row);
					options.cols[i].push(row);
				});
			});

			//获取表体数据
			othis.find('tbody>tr').each(function(i1){
				var tr = $(this), row = {};
				//如果定义了字段名
				tr.children('td').each(function(i2, item2){
					var td = $(this)
						,field = td.data('field');
					if(field){
						return row[field] = td.html();
					}
				});
				//如果未定义字段名
				layui.each(cols, function(i3, item3){
					var td = tr.children('td').eq(i3);
					row[item3.field] = td.html();
				});
				options.data[i1] = row;
			});
			table.render(options);
		});

		return that;
	};

	//表格选中状态
	table.checkStatus = function(id){
		var nums = 0
			,invalidNum = 0
			,arr = []
			,data = table.cache[id] || [];
		//计算全选个数
		layui.each(data, function(i, item){
			if(item.constructor === Array){
				invalidNum++; //无效数据，或已删除的
				return;
			}
			if(item[table.config.checkName]){
				nums++;
				arr.push(table.clearCacheKey(item));
			}
		});
		return {
			data: arr //选中的数据
			,isAll: data.length ? (nums === (data.length - invalidNum)) : false //是否全选
		};
	};

	//表格重载
	thisTable.config = {};
	table.reload = function(id, options){
		var config = thisTable.config[id];
		options = options || {};
		if(!config) return hint.error('The ID option was not found in the table instance');
		if(options.data && options.data.constructor === Array) delete config.data;
		return table.render($.extend(true, {}, config, options));
	};

	//核心入口
	table.render = function(options){
		var inst = new Class(options);
		return thisTable.call(inst);
	};

	//清除临时Key
	table.clearCacheKey = function(data){
		data = $.extend({}, data);
		delete data[table.config.checkName];
		delete data[table.config.indexName];
		return data;
	};

	//自动完成渲染
	table.init();

	exports(MOD_NAME, table);
});